Free conjugation exercises for English language learners

contaminate

Regular

Change speaker

You're listening to Joanna
She has an American accent and expects you to use American spelling.

Simple

Continuous

Perfect

Perfect continuous

Past

I contaminated
you contaminated
he/she/it contaminated
we contaminated
you contaminated
they contaminated

Present

I contaminate
you contaminate
he/she/it contaminates
we contaminate
you contaminate
they contaminate

Future

I will contaminate
you will contaminate
he/she/it will contaminate
we will contaminate
you will contaminate
they will contaminate

Past

I was contaminating
you were contaminating
he/she/it was contaminating
we were contaminating
you were contaminating
they were contaminating

Present

I am contaminating
you are contaminating
he/she/it is contaminating
we are contaminating
you are contaminating
they are contaminating

Future

I will be contaminating
you will be contaminating
he/she/it will be contaminating
we will be contaminating
you will be contaminating
they will be contaminating

Past

I had contaminated
you had contaminated
he/she/it had contaminated
we had contaminated
you had contaminated
they had contaminated

Present

I have contaminated
you have contaminated
he/she/it has contaminated
we have contaminated
you have contaminated
they have contaminated

Future

I will have contaminated
you will have contaminated
he/she/it will have contaminated
we will have contaminated
you will have contaminated
they will have contaminated

Past

I had been contaminating
you had been contaminating
he/she/it had been contaminating
we had been contaminating
you had been contaminating
they had been contaminating

Present

I have been contaminating
you have been contaminating
he/she/it has been contaminating
we have been contaminating
you have been contaminating
they have been contaminating

Future

I will have been contaminating
you will have been contaminating
he/she/it will have been contaminating
we will have been contaminating
you will have been contaminating
they will have been contaminating

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